<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
<link rel="stylesheet" href="/static/1.css">
</head>
<body>
    <h1 class="xx">用户登录</h1>
    <form action="/login" method="post">
    <div>
        用户名：<input type="text" name="username">
    </div>
    <div>
        密码：<input type="password" name="password">
    </div>
    <input type="submit" value="提交">
    </form>
</body>
</html>